CD214C-T58ALF Equivalent & Substitute Parts

Part Overview

The CD214C-T58ALF is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Bourns Inc., rated for 58V reverse standoff voltage with 93.6V maximum clamping voltage and 16A peak pulse current. Designed for general-purpose overvoltage protection in surface mount SMC (DO-214AB) packaging, this component is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	58V
Voltage - Breakdown (Min)	64.4V
Voltage - Clamping (Max) @ Ipp	93.6V
Current - Peak Pulse (10/1000µs)	16A
Power - Peak Pulse	1500W
Package / Case	DO-214AB, SMC
Operating Temperature	-55°C ~ 150°C (TJ)
Type	Zener, Unidirectional
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the CD214C-T58ALF are classified into two categories based on electrical parameter compatibility:

Direct Substitutes (Functionally Equivalent): Parts matching all critical electrical parameters: 58V reverse standoff voltage, 93.6V clamping voltage, 16A–16.1A peak pulse current, and 1500W peak pulse power. These parts maintain identical protection characteristics and are pin-compatible in DO-214AB SMC packaging. Direct substitutes include SMCJ58A (MDD), SMCJ58A-13-F (Diodes Incorporated), SMCJ58A-HR (Littelfuse Inc.), SMCJ58A-T7 (Littelfuse Inc.), and SMCJ58A-TP (Micro Commercial Co).

Similar Substitutes (Enhanced Performance): Parts with identical voltage ratings (58V standoff, 93.6V clamping) but higher peak pulse current and power ratings. These provide superior transient suppression capability and are suitable for applications requiring increased energy dissipation. Similar substitutes include 3.0SMCJ58A-13 (Diodes Incorporated, 32.1A / 3kW), 5.0SMDJ58A (Taiwan Semiconductor Corporation, 54.6A / 5kW), and 5.0SMDJ58A-T7 (Littelfuse Inc., 54.6A / 5kW).

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff	Voltage - Clamping (Max)	Current - Peak Pulse	Power - Peak Pulse	Operating Temperature	Product Status	RoHS Status
CD214C-T58ALF	Bourns Inc.	58V	93.6V	16A	1500W	-55°C ~ 150°C	Obsolete	ROHS3 Compliant
SMCJ58A	MDD	58V	93.6V	16.1A	1500W	-50°C ~ 150°C	Active	ROHS3 Compliant
SMCJ58A-13-F	Diodes Incorporated	58V	93.6V	16A	1500W	-55°C ~ 150°C	Active	ROHS3 Compliant
SMCJ58A-HR	Littelfuse Inc.	58V	93.6V	16.1A	1500W	-65°C ~ 150°C	Active	ROHS3 Compliant
SMCJ58A-T7	Littelfuse Inc.	58V	93.6V	16.1A	1500W	-55°C ~ 150°C	Active	ROHS3 Compliant
SMCJ58A-TP	Micro Commercial Co	58V	93.6V	16.1A	1500W	-55°C ~ 175°C	Active	ROHS3 Compliant
3.0SMCJ58A-13	Diodes Incorporated	58V	93.6V	32.1A	3000W	-55°C ~ 175°C	Active	ROHS3 Compliant
5.0SMDJ58A	Taiwan Semiconductor Corporation	58V	93.6V	54.6A	5000W	-55°C ~ 175°C	Active	ROHS3 Compliant
5.0SMDJ58A-T7	Littelfuse Inc.	58V	93.6V	54.6A	5000W	-65°C ~ 150°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Performance): Select SMCJ58A-13-F (Diodes Incorporated) or SMCJ58A-T7 (Littelfuse Inc.) as primary choices. Both are active products with ROHS3 compliance, matching the original CD214C-T58ALF electrical specifications and operating temperature range. SMCJ58A-13-F offers the closest thermal performance (-55°C ~ 150°C), while SMCJ58A-T7 provides equivalent specifications with established supply availability.

For Enhanced Protection Requirements: If circuit design permits higher current handling, 3.0SMCJ58A-13 (32.1A / 3kW) or 5.0SMDJ58A-T7 (54.6A / 5kW) provide superior transient suppression with extended operating temperature ranges. These are suitable for applications experiencing higher energy transients or requiring improved thermal margin.

Compliance Considerations: All recommended substitutes maintain ROHS3 compliance and are classified as active products, ensuring long-term availability and supply chain stability. The obsolete status of the original CD214C-T58ALF necessitates transition to active alternatives for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Can SMCJ58A-TP directly replace CD214C-T58ALF in existing designs? A: Yes. SMCJ58A-TP matches all critical electrical parameters (58V standoff, 93.6V clamping, 16.1A peak pulse, 1500W power) and uses identical DO-214AB SMC packaging. The extended operating temperature range (-55°C ~ 175°C) provides additional thermal margin compared to the original specification.

Q: What is the difference between direct substitutes and similar substitutes? A: Direct substitutes (SMCJ58A series) maintain identical peak pulse current (16A–16.1A) and power ratings (1500W), providing equivalent protection performance. Similar substitutes (3.0SMCJ58A-13, 5.0SMDJ58A series) offer higher current and power ratings (32.1A–54.6A, 3kW–5kW) for enhanced transient suppression in demanding applications.

Q: Are all substitute parts pin-compatible with the original CD214C-T58ALF? A: Yes. All listed substitutes use DO-214AB SMC surface mount packaging with identical pin configuration and footprint, enabling direct PCB-level replacement without layout modifications.

Q: Which substitute offers the best long-term availability? A: SMCJ58A-T7 (Littelfuse Inc.) and SMCJ58A-TP (Micro Commercial Co) are recommended for supply chain stability. Both are active products from established manufacturers with high inventory levels and established distribution networks.

Q: Can higher-rated parts (5.0SMDJ58A) be used in place of the original 1500W device? A: Yes, if circuit design permits. Higher-rated parts provide identical voltage protection with increased current and power handling capacity, offering improved thermal performance and transient margin. No circuit modifications are required for direct substitution.

Q: What compliance certifications apply to all substitute parts? A: All substitute parts listed are ROHS3 compliant and carry EAR99 ECCN classification. REACH status varies by manufacturer; verify specific REACH compliance requirements for your application region.

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